ADJ

complete, comprehensive
partial
effective, good, happy, ideal, neat, optimal, perfect, real
His plan does not offer a real solution to the problem
acceptable
satisfactory, workable
correct, right
easy, obvious, simple
possible
feasible, practical, realistic, viable
cost-effective
creative, imaginative, ingenious
drastic, radical
early, immediate, instant, quick, speedy
The UN representative stressed the urgency of an early solution
final, lasting, long-term, permanent, ultimate
interim, short-term, temporary
proposed
pragmatic
compromise, negotiated
diplomatic, peaceful, political
military
technical

VERB + SOLUTION

look for, seek, work towards
achieve, agree (on), arrive at, come up with, find, produce, reach, work out
attempts to find a comprehensive political solution to the crisis
propose, put forward, suggest
adopt
offer, provide

PREP

~ for
a quick solution for dealing with the paper shortage
~ to
They were seeking an ultimate solution to the city's traffic problem

ADJ

concentrated, neat, strong
dilute, weak
saturated
acid
alkaline
aqueous
saline, salt
bicarbonate, sodium chloride, etc.

SOLUTION + VERB

contain

PREP

in ~
aluminium ions in solution